Helicopter blade, shafts and fins



FIG. 1 is a perspective side view of helicopter blade, shafts and fins, showing our new design;

FIG. 2 is an opposite side perspective view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The broken lines, shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for helicopter blade, shafts and fins, as shown and described. 